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In this activity, learners explore how salt water freezes in comparison to fresh water.

In this activity, learners will explore how animal in cold areas stay warm.

In this activity, learners explore density, convection, stratification, and, by inference, the melting of icebergs. Learners make hypotheses, test their hypotheses, and explain their observations.

In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.

In this activity, learners will explore saturated solutions and discover how crystals form.

In this activity, learners will explore how density is affected by temperature and how that can create currents.